body {
  background: #f8f8f8;
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
}

.navbar {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1rem 2rem;
  background: #0f172a;
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar .logo img {
  width: 150px;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: #fff;
  font-weight: 500;
  text-decoration: none;
}

.nav-links a:hover {
  color: #00d4ff;
}

.container {
  max-width: 1200px;
  margin: 2rem auto;
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  padding: 0 1rem;
}

.slider-section {
  flex: 1 1 600px;
  min-width: 300px;
}

.info-section {
  flex: 1 1 350px;
  min-width: 250px;
  background: #fff;
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.info-columns {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.info-columns p {
  flex: 1 1 45%;
  margin: 0;
}

.slider {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  background: #ddd;
  height: 400px;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
}

.slider img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 12px;
}

.thumbnails {
  display: flex;
  gap: 10px;
  margin-top: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.thumbnails img {
  width: 80px;
  height: 60px;
  object-fit: contain;
  border-radius: 6px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: 0.2s;
}

.thumbnails img.active {
  border-color: #00d4ff;
}

.info-section h2 {
  margin: 0 0 1rem;
}

.info-section .price {
  font-size: 1.5rem;
  font-weight: bold;
  color: #0f172a;
  margin: 0.5rem 0;
}

.description {
  background: #fff;
  padding: 1.5rem;
  border-radius: 12px;
  max-width: 1200px;
  margin: 2rem auto;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.cta-button {
  padding: 12px 30px;
  background: #00d4ff;
  color: #0f172a;
  font-weight: bold;
  border-radius: 8px;
  display: inline-block;
  text-decoration: none;
  transition: 0.2s;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 212, 255, 0.4);
}

.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  justify-content: center;
  align-items: center;
  z-index: 9999;
  flex-direction: column;
}

.lightbox img {
  max-width: 90%;
  max-height: 80%;
  object-fit: contain;
  border-radius: 12px;
  margin-bottom: 10px;
}

.lightbox .close,
.lightbox .prev,
.lightbox .next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  padding: 10px;
  user-select: none;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 50%;
}

.lightbox .close {
  top: 10%;
  right: 5%;
  transform: none;
  font-size: 2.5rem;
}

.lightbox .prev {
  left: 2%;
}

.lightbox .next {
  right: 2%;
}

.lightbox-thumbs {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 90%;
  overflow-x: auto;
}

.lightbox-thumbs img {
  width: 80px;
  height: 60px;
  object-fit: contain;
  cursor: pointer;
  border: 2px solid transparent;
  border-radius: 6px;
}

.lightbox-thumbs img.active {
  border-color: #00d4ff;
}

@media(max-width:768px) {
  .container {
    flex-direction: column;
  }

  .thumbnails img {
    width: 60px;
    height: 45px;
  }

  .info-columns p {
    flex: 1 1 100%;
  }

  .lightbox-thumbs img {
    width: 60px;
    height: 45px;
  }
}